85148252 has 24 divisors (see below), whose sum is σ = 171988320. Its totient is φ = 36129600.

The previous prime is 85148251. The next prime is 85148279. The reversal of 85148252 is 25284158.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85148251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12227 + ... + 17882.

It is an arithmetic number, because the mean of its divisors is an integer number (7166180).

Almost surely, 2^85148252 is an apocalyptic number.

It is an amenable number.

85148252 is an abundant number, since it is smaller than the sum of its proper divisors (86840068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85148252 is a wasteful number, since it uses less digits than its factorization.

85148252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30221 (or 30219 counting only the distinct ones).

The product of its digits is 25600, while the sum is 35.

The square root of 85148252 is about 9227.5810481404. The cubic root of 85148252 is about 439.9384418013.

The spelling of 85148252 in words is "eighty-five million, one hundred forty-eight thousand, two hundred fifty-two".